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484ff489 | 1 | #!/usr/bin/env python |
acddc0ed | 2 | # SPDX-License-Identifier: ISC |
484ff489 DA |
3 | |
4 | # | |
5 | # Copyright (c) 2021 by | |
6 | # Donatas Abraitis <donatas.abraitis@gmail.com> | |
7 | # | |
484ff489 DA |
8 | |
9 | """ | |
b01830dc TA |
10 | Test if `bgp default ipv4-unicast`, `bgp default ipv6-unicast` |
11 | and `bgp default l2vpn-evpn` commands work as expected. | |
484ff489 DA |
12 | |
13 | STEP 1: 'Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only' | |
14 | STEP 2: 'Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only' | |
b01830dc TA |
15 | STEP 3: 'Check if neighbor 192.168.255.254 is enabled for l2vpn evpn address-family only' |
16 | STEP 4: 'Check if neighbor 192.168.255.254 is enabled for ipv4/ipv6 unicast and l2vpn evpn address-families' | |
484ff489 DA |
17 | """ |
18 | ||
19 | import os | |
20 | import sys | |
21 | import json | |
22 | import pytest | |
484ff489 | 23 | |
ad889e0d DA |
24 | pytestmark = [pytest.mark.bgpd] |
25 | ||
484ff489 DA |
26 | CWD = os.path.dirname(os.path.realpath(__file__)) |
27 | sys.path.append(os.path.join(CWD, "../")) | |
28 | ||
29 | # pylint: disable=C0413 | |
484ff489 | 30 | from lib.topogen import Topogen, TopoRouter, get_topogen |
484ff489 DA |
31 | from lib.common_config import step |
32 | ||
bf3a0a9a DS |
33 | pytestmark = [pytest.mark.bgpd] |
34 | ||
484ff489 | 35 | |
e82b531d CH |
36 | def build_topo(tgen): |
37 | for routern in range(1, 5): | |
38 | tgen.add_router("r{}".format(routern)) | |
484ff489 | 39 | |
e82b531d CH |
40 | switch = tgen.add_switch("s1") |
41 | switch.add_link(tgen.gears["r1"]) | |
42 | switch.add_link(tgen.gears["r2"]) | |
43 | switch.add_link(tgen.gears["r3"]) | |
44 | switch.add_link(tgen.gears["r4"]) | |
484ff489 DA |
45 | |
46 | ||
47 | def setup_module(mod): | |
e82b531d | 48 | tgen = Topogen(build_topo, mod.__name__) |
484ff489 DA |
49 | tgen.start_topology() |
50 | ||
51 | router_list = tgen.routers() | |
52 | ||
53 | for i, (rname, router) in enumerate(router_list.items(), 1): | |
54 | router.load_config( | |
55 | TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) | |
56 | ) | |
57 | router.load_config( | |
58 | TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) | |
59 | ) | |
60 | ||
61 | tgen.start_router() | |
62 | ||
63 | ||
64 | def teardown_module(mod): | |
65 | tgen = get_topogen() | |
66 | tgen.stop_topology() | |
67 | ||
68 | ||
69 | def test_bgp_default_ipv4_ipv6_unicast(): | |
70 | tgen = get_topogen() | |
71 | ||
72 | if tgen.routers_have_failure(): | |
73 | pytest.skip(tgen.errors) | |
74 | ||
75 | step("Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only") | |
76 | ||
77 | def _bgp_neighbor_ipv4_af_only(): | |
78 | tgen.gears["r1"].vtysh_cmd( | |
79 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
80 | ) | |
81 | ||
82 | output = json.loads(tgen.gears["r1"].vtysh_cmd("show bgp summary json")) | |
83 | ||
b01830dc | 84 | if len(output.keys()) == 1 and "ipv4Unicast" in output: |
484ff489 DA |
85 | return True |
86 | return False | |
87 | ||
88 | assert _bgp_neighbor_ipv4_af_only() == True | |
89 | ||
90 | step("Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only") | |
91 | ||
92 | def _bgp_neighbor_ipv6_af_only(): | |
93 | tgen.gears["r2"].vtysh_cmd( | |
94 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
95 | ) | |
96 | ||
97 | output = json.loads(tgen.gears["r2"].vtysh_cmd("show bgp summary json")) | |
98 | ||
b01830dc | 99 | if len(output.keys()) == 1 and "ipv6Unicast" in output: |
484ff489 DA |
100 | return True |
101 | return False | |
102 | ||
103 | assert _bgp_neighbor_ipv6_af_only() == True | |
104 | ||
b01830dc | 105 | step("Check if neighbor 192.168.255.254 is enabled for evpn address-family only") |
484ff489 | 106 | |
b01830dc | 107 | def _bgp_neighbor_evpn_af_only(): |
484ff489 DA |
108 | tgen.gears["r3"].vtysh_cmd( |
109 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
110 | ) | |
111 | ||
112 | output = json.loads(tgen.gears["r3"].vtysh_cmd("show bgp summary json")) | |
113 | ||
b01830dc TA |
114 | if len(output.keys()) == 1 and "l2VpnEvpn" in output: |
115 | return True | |
116 | return False | |
117 | ||
118 | assert _bgp_neighbor_evpn_af_only() == True | |
119 | ||
120 | step( | |
121 | "Check if neighbor 192.168.255.254 is enabled for ipv4/ipv6 unicast and evpn address-families" | |
122 | ) | |
123 | ||
124 | def _bgp_neighbor_ipv4_ipv6_and_evpn_af(): | |
125 | tgen.gears["r4"].vtysh_cmd( | |
126 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
127 | ) | |
128 | ||
129 | output = json.loads(tgen.gears["r4"].vtysh_cmd("show bgp summary json")) | |
130 | ||
131 | if ( | |
132 | len(output.keys()) == 3 | |
133 | and "ipv4Unicast" in output | |
134 | and "ipv6Unicast" in output | |
135 | and "l2VpnEvpn" in output | |
136 | ): | |
484ff489 DA |
137 | return True |
138 | return False | |
139 | ||
b01830dc | 140 | assert _bgp_neighbor_ipv4_ipv6_and_evpn_af() == True |
484ff489 DA |
141 | |
142 | ||
143 | if __name__ == "__main__": | |
144 | args = ["-s"] + sys.argv[1:] | |
145 | sys.exit(pytest.main(args)) |